static void queue_iterator( zone_t zone, value_t task ) { // Look for an idle worker and try to convince it to get busy prefetching // the values in this iterator. It's OK if we don't succeed; all workers // might already be committed. We don't actually care whether the iterator // gets queued: we just want to make sure all the workers are busy. This // should be as quick a process as we can manage since it is loop overhead. bool assigned = false; for (unsigned int i = 0; i < s_num_workers && !assigned; i++) { // If this worker appears to be idle, try to lock it. Once we've locked // it, check again, in case someone else assigned it a task just before // we acquired the lock. If the worker is still idle, give it our task. if (s_workers[i].task) continue; if (thread_mutex_trylock( &s_workers[i].lock )) continue; // we've locked the worker: now we have a chance to assign it our task. // If nobody else assigned it a task while we were taking out the lock, // we'll do so now. if (NULL == s_workers[i].task) { // The worker thread itself does not block on its own mutex when // checking the state of its task variable. Assigning a non-null // value to the task variable must be the last thing we do, since // that will unblock the worker, and it will expect to have a zone // to do allocation in. s_workers[i].zone = zone; s_workers[i].task = task; assigned = true; } assert( 0 == thread_mutex_unlock( &s_workers[i].lock ) ); } }
/** * \brief tries to acquire a simple openMP lock * * \param arg The OpenMP lock to acquire * * \returns TRUE if lock is acquired successfully * FALSE if lock is already held by other thread * * These routines attempt to set a lock in the same manner as omp_set_lock and * omp_set_nest_lock, except that they do not suspend execution of the task * executing the routine. * For a simple lock, the omp_test_lock routine returns true if the lock is * successfully set; otherwise, it returns false. */ int omp_test_lock(omp_lock_t *arg) { struct __omp_lock *lock = (struct __omp_lock *) arg; assert(lock->initialized); #ifdef BARRELFISH return thread_mutex_trylock(&lock->mutex); #else return pthread_mutex_trylock (&lock->mutex) == 0; #endif }
int pthread_mutex_trylock(pthread_mutex_t *mutex) { if (mutex == NULL) return_errno(EINVAL, EINVAL); if (*mutex == PTHREAD_MUTEX_INITIALIZER) if (pthread_mutex_init(mutex, NULL) != OK) return errno; if (!thread_mutex_trylock((mutex_t *)(*mutex))) return errno; return OK; }
/** * \brief tries to acquire a simple openMP lock * * \param arg The OpenMP lock to acquire * * \returns TRUE if lock is acquired successfully * FALSE if lock is already held by other thread * * These routines attempt to set a lock in the same manner as omp_set_lock and * omp_set_nest_lock, except that they do not suspend execution of the task * executing the routine. * For a nestable lock, the omp_test_nest_lock routine returns the new nesting * count if the lock is successfully set; otherwise, it returns zero. */ int omp_test_nest_lock(omp_nest_lock_t *arg) { struct __omp_nested_lock *nlock = (struct __omp_nested_lock *) arg; assert(nlock->initialized); // get the current task icv void *me = bomp_get_icv_task(); if (nlock->owner != me) { #ifdef BARRELFISH if (!thread_mutex_trylock(&nlock->mutex)) { return 0; } #else if (pthread_mutex_trylock (&lock->lock) != 0) return 0; #endif nlock->owner = me; } nlock->count++; return nlock->count; }
int main(int argc, char *argv[]) { struct timeval now; char *conf_file = NULL; double begin_time, end_time; int num_rows; int device_counter = 0; int last_active_threads = 0; long int THREAD_SLEEP = 100000; time_t nowbin; const struct tm *nowstruct; pthread_t* threads = NULL; pthread_attr_t attr; pthread_mutexattr_t mutexattr; int* ids = NULL; MYSQL mysql; MYSQL_RES *result = NULL; MYSQL_ROW mysql_row; int canexit = 0; int host_id; int i; int mutex_status = 0; int thread_status = 0; char result_string[BUFSIZE] = ""; char logmessage[LOGSIZE]; /* set start time for cacti */ gettimeofday(&now, NULL); begin_time = (double) now.tv_usec / 1000000 + now.tv_sec; /* get time for poller_output table */ if (time(&nowbin) == (time_t) - 1) printf("ERROR: Could not get time of day from time()\n"); nowstruct = localtime(&nowbin); if (strftime(start_datetime, sizeof(start_datetime), "%Y-%m-%d %H:%M:%S", nowstruct) == (size_t) 0) printf("ERROR: Could not get string from strftime()\n"); set.verbose = POLLER_VERBOSITY_HIGH; /* get static defaults for system */ config_defaults(&set); /* scan arguments for errors */ if ((argc != 1) && (argc != 3)) { printf("ERROR: Cactid requires either 0 or 2 input parameters\n"); printf("USAGE: <cactidpath>/cactid [start_id end_id]\n"); exit(-1); } /* return error if the first arg is greater than the second */ if (argc == 3) { if (atol(argv[1]) > atol(argv[2])) { printf("ERROR: Invalid row specifications. First row must be less than the second row\n"); exit(-2); } } /* read configuration file to establish local environment */ if (conf_file) { if ((read_cactid_config(conf_file, &set)) < 0) { printf("ERROR: Could not read config file: %s\n", conf_file); exit(-3); } }else{ conf_file = malloc(BUFSIZE); if (!conf_file) { printf("ERROR: Fatal malloc error!\n"); exit(-1); } for(i=0;i<CONFIG_PATHS;i++) { snprintf(conf_file, BUFSIZE, "%s%s", config_paths[i], DEFAULT_CONF_FILE); if (read_cactid_config(conf_file, &set) >= 0) { break; } if (i == CONFIG_PATHS-1) { snprintf(conf_file, BUFSIZE, "%s%s", config_paths[0], DEFAULT_CONF_FILE); } } } /* read settings table from the database to further establish environment */ read_config_options(&set); /* set the poller ID, stub for next version */ set.poller_id = 0; if (set.verbose == POLLER_VERBOSITY_DEBUG) { snprintf(logmessage, LOGSIZE, "CACTID: Version %s starting\n", VERSION); cacti_log(logmessage); } else { printf("CACTID: Version %s starting\n", VERSION); } /* connect to database */ db_connect(set.dbdb, &mysql); /* initialize SNMP */ init_snmp("cactid"); /* initialize PHP */ php_init(); /* get the id's to poll */ switch (argc) { case 1: result = db_query(&mysql, "SELECT id FROM host WHERE disabled='' ORDER BY id"); break; case 3: snprintf(result_string, sizeof(result_string), "SELECT id FROM host WHERE (disabled='' and (id >= %s and id <= %s)) ORDER BY id\0", argv[1], argv[2]); result = db_query(&mysql, result_string); break; default: break; } num_rows = mysql_num_rows(result); threads = (pthread_t *)malloc(num_rows * sizeof(pthread_t)); ids = (int *)malloc(num_rows * sizeof(int)); /* initialize threads and mutexes */ pthread_attr_init(&attr); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); init_mutexes(); if (set.verbose == POLLER_VERBOSITY_DEBUG) { snprintf(logmessage, LOGSIZE, "DEBUG: Initial Value of Active Threads is %i\n", active_threads); cacti_log(logmessage); } /* loop through devices until done */ while (device_counter < num_rows) { mutex_status = thread_mutex_trylock(LOCK_THREAD); switch (mutex_status) { case 0: if (last_active_threads != active_threads) { last_active_threads = active_threads; } while ((active_threads < set.threads) && (device_counter < num_rows)) { mysql_row = mysql_fetch_row(result); host_id = atoi(mysql_row[0]); ids[device_counter] = host_id; /* create child process */ thread_status = pthread_create(&threads[device_counter], &attr, child, &ids[device_counter]); switch (thread_status) { case 0: if (set.verbose == POLLER_VERBOSITY_DEBUG) { snprintf(logmessage, LOGSIZE, "DEBUG: Valid Thread to be Created\n"); cacti_log(logmessage); } device_counter++; active_threads++; if (set.verbose == POLLER_VERBOSITY_DEBUG) { snprintf(logmessage, LOGSIZE, "DEBUG: The Value of Active Threads is %i\n", active_threads); cacti_log(logmessage); } break; case EAGAIN: snprintf(logmessage, LOGSIZE, "ERROR: The System Lacked the Resources to Create a Thread\n"); cacti_log(logmessage); break; case EFAULT: snprintf(logmessage, LOGSIZE, "ERROR: The Thread or Attribute Was Invalid\n"); cacti_log(logmessage); break; case EINVAL: snprintf(logmessage, LOGSIZE, "ERROR: The Thread Attribute is Not Initialized\n"); cacti_log(logmessage); break; default: snprintf(logmessage, LOGSIZE, "ERROR: Unknown Thread Creation Error\n"); cacti_log(logmessage); break; } usleep(THREAD_SLEEP); } thread_mutex_unlock(LOCK_THREAD); break; case EBUSY: snprintf(logmessage, LOGSIZE, "ERROR: Deadlock Occured\n"); cacti_log(logmessage); break; case EINVAL: snprintf(logmessage, LOGSIZE, "ERROR: Attempt to Unlock an Uninitialized Mutex\n"); cacti_log(logmessage); break; case EFAULT: snprintf(logmessage, LOGSIZE, "ERROR: Attempt to Unlock an Invalid Mutex\n"); cacti_log(logmessage); break; default: snprintf(logmessage, LOGSIZE, "ERROR: Unknown Mutex Lock Error Code Returned\n"); cacti_log(logmessage); break; } usleep(THREAD_SLEEP); } /* wait for all threads to complete */ while (canexit == 0) { if (thread_mutex_trylock(LOCK_THREAD) != EBUSY) { if (last_active_threads != active_threads) { last_active_threads = active_threads; } if (active_threads == 0) { canexit = 1; } thread_mutex_unlock(LOCK_THREAD); } usleep(THREAD_SLEEP); } /* print out stats */ gettimeofday(&now, NULL); /* update the db for |data_time| on graphs */ db_insert(&mysql, "replace into settings (name,value) values ('date',NOW())"); db_insert(&mysql, "insert into poller_time (poller_id, start_time, end_time) values (0, NOW(), NOW())"); /* cleanup and exit program */ pthread_attr_destroy(&attr); pthread_mutexattr_destroy(&mutexattr); if (set.verbose == POLLER_VERBOSITY_DEBUG) { cacti_log("DEBUG: Thread Cleanup Complete\n"); } /* close the php script server */ php_close(); if (set.verbose == POLLER_VERBOSITY_DEBUG) { cacti_log("DEBUG: PHP Script Server Pipes Closed\n"); } /* free malloc'd variables */ free(threads); free(ids); free(conf_file); if (set.verbose == POLLER_VERBOSITY_DEBUG) { cacti_log("DEBUG: Allocated Variable Memory Freed\n"); } /* close mysql */ mysql_free_result(result); mysql_close(&mysql); if (set.verbose == POLLER_VERBOSITY_DEBUG) { cacti_log("DEBUG: MYSQL Free & Close Completed\n"); } /* finally add some statistics to the log and exit */ end_time = (double) now.tv_usec / 1000000 + now.tv_sec; if ((set.verbose >= POLLER_VERBOSITY_MEDIUM) && (argc != 1)) { snprintf(logmessage, LOGSIZE, "Time: %.4f s, Threads: %i, Hosts: %i\n", (end_time - begin_time), set.threads, num_rows); cacti_log(logmessage); } else { printf("CACTID: Execution Time: %.4f s, Threads: %i, Hosts: %i\n", (end_time - begin_time), set.threads, num_rows); } exit(0); }
/*! \fn main(int argc, char *argv[]) * \brief The Cactid program entry point * \param argc The number of arguments passed to the function plus one (+1) * \param argv An array of the command line arguments * * The Cactid entry point. This function performs the following tasks. * 1) Processes command line input parameters * 2) Processes the Cactid configuration file to obtain database access information * 3) Process runtime parameters from the settings table * 4) Initialize the runtime threads and mutexes for the threaded environment * 5) Initialize Net-SNMP, MySQL, and the PHP Script Server (if required) * 6) Spawns X threads in order to process hosts * 7) Loop until either all hosts have been processed or until the poller runtime * has been exceeded * 8) Close database and free variables * 9) Log poller process statistics if required * 10) Exit * * Note: Command line runtime parameters override any database settings. * * \return 0 if SUCCESS, or -1 if FAILED * */ int main(int argc, char *argv[]) { struct timeval now; char *conf_file = NULL; double begin_time, end_time, current_time; int poller_interval; int num_rows; int device_counter = 0; int poller_counter = 0; int last_active_threads = 0; long int EXTERNAL_THREAD_SLEEP = 100000; long int internal_thread_sleep; time_t nowbin; struct tm now_time; struct tm *now_ptr; pthread_t* threads = NULL; pthread_attr_t attr; int* ids = NULL; MYSQL mysql; MYSQL_RES *result = NULL; MYSQL_ROW mysql_row; int canexit = 0; int host_id; int i; int mutex_status = 0; int thread_status = 0; UNUSED_PARAMETER(argc); /* we operate strictly with argv */ /* establish php processes and initialize space */ php_processes = (php_t*) calloc(MAX_PHP_SERVERS, sizeof(php_t)); for (i = 0; i < MAX_PHP_SERVERS; i++) { php_processes[i].php_state = PHP_BUSY; } /* set start time for cacti */ begin_time = get_time_as_double(); /* get time for poller_output table */ if (time(&nowbin) == (time_t) - 1) { die("ERROR: Could not get time of day from time()\n"); } localtime_r(&nowbin,&now_time); now_ptr = &now_time; if (strftime(start_datetime, sizeof(start_datetime), "%Y-%m-%d %H:%M:%S", now_ptr) == (size_t) 0) { die("ERROR: Could not get string from strftime()\n"); } /* set default verbosity */ set.log_level = POLLER_VERBOSITY_LOW; /* get static defaults for system */ config_defaults(); /*! ---------------------------------------------------------------- * PROCESS COMMAND LINE * * Run through the list of ARGV words looking for parameters we * know about. Most have two flavors (-C + --conf), and many * themselves take a parameter. * * These parameters can be structured in two ways: * * --conf=FILE both parts in one argv[] string * --conf FILE two separate argv[] strings * * We set "arg" to point to "--conf", and "opt" to point to FILE. * The helper routine * * In each loop we set "arg" to next argv[] string, then look * to see if it has an equal sign. If so, we split it in half * and point to the option separately. * * NOTE: most direction to the program is given with dash-type * parameters, but we also allow standalone numeric device IDs * in "first last" format: this is how poller.php calls this * program. */ /* initialize some global variables */ set.start_host_id = -1; set.end_host_id = -1; set.php_initialized = FALSE; set.logfile_processed = FALSE; set.parent_fork = CACTID_PARENT; for (argv++; *argv; argv++) { char *arg = *argv; char *opt = strchr(arg, '='); /* pick off the =VALUE part */ if (opt) *opt++ = '\0'; if (STRIMATCH(arg, "-f") || STRIMATCH(arg, "--first")) { if (HOSTID_DEFINED(set.start_host_id)) { die("ERROR: %s can only be used once", arg); } set.start_host_id = atoi(opt = getarg(opt, &argv)); if (!HOSTID_DEFINED(set.start_host_id)) { die("ERROR: '%s=%s' is invalid first-host ID", arg, opt); } } else if (STRIMATCH(arg, "-l") || STRIMATCH(arg, "--last")) { if (HOSTID_DEFINED(set.end_host_id)) { die("ERROR: %s can only be used once", arg); } set.end_host_id = atoi(opt = getarg(opt, &argv)); if (!HOSTID_DEFINED(set.end_host_id)) { die("ERROR: '%s=%s' is invalid last-host ID", arg, opt); } } else if (STRIMATCH(arg, "-p") || STRIMATCH(arg, "--poller")) { set.poller_id = atoi(getarg(opt, &argv)); } else if (STRIMATCH(arg, "-h") || STRIMATCH(arg, "-v") || STRIMATCH(arg, "--help") || STRIMATCH(arg, "--version")) { display_help(); exit(EXIT_SUCCESS); } else if (STRIMATCH(arg, "-O") || STRIMATCH(arg, "--option")) { char *setting = getarg(opt, &argv); char *value = strchr(setting, ':'); if (*value) { *value++ = '\0'; }else{ die("ERROR: -O requires setting:value"); } set_option(setting, value); } else if (STRIMATCH(arg, "-R") || STRIMATCH(arg, "--readonly") || STRIMATCH(arg, "--read-only")) { set.SQL_readonly = TRUE; } else if (STRIMATCH(arg, "-C") || STRIMATCH(arg, "--conf")) { conf_file = strdup(getarg(opt, &argv)); } else if (STRIMATCH(arg, "-S") || STRIMATCH(arg, "--stdout")) { set_option("log_destination", "STDOUT"); } else if (STRIMATCH(arg, "-L") || STRIMATCH(arg, "--log")) { set_option("log_destination", getarg(opt, &argv)); } else if (STRIMATCH(arg, "-V") || STRIMATCH(arg, "--verbosity")) { set_option("log_verbosity", getarg(opt, &argv)); } else if (STRIMATCH(arg, "--snmponly") || STRIMATCH(arg, "--snmp-only")) { set.snmponly = TRUE; } else if (!HOSTID_DEFINED(set.start_host_id) && all_digits(arg)) { set.start_host_id = atoi(arg); } else if (!HOSTID_DEFINED(set.end_host_id) && all_digits(arg)) { set.end_host_id = atoi(arg); } else { die("ERROR: %s is an unknown command-line parameter", arg); } } /* we require either both the first and last hosts, or niether host */ if (HOSTID_DEFINED(set.start_host_id) != HOSTID_DEFINED(set.end_host_id)) { die("ERROR: must provide both -f/-l, or neither"); } if (set.start_host_id > set.end_host_id) { die("ERROR: Invalid row spec; first host_id must be less than the second"); } /* read configuration file to establish local environment */ if (conf_file) { if ((read_cactid_config(conf_file)) < 0) { die("ERROR: Could not read config file: %s\n", conf_file); } }else{ if (!(conf_file = calloc(1, BUFSIZE))) { die("ERROR: Fatal malloc error: cactid.c conf_file!\n"); } for (i=0; i<CONFIG_PATHS; i++) { snprintf(conf_file, BUFSIZE-1, "%s%s", config_paths[i], DEFAULT_CONF_FILE); if (read_cactid_config(conf_file) >= 0) { break; } if (i == CONFIG_PATHS-1) { snprintf(conf_file, BUFSIZE-1, "%s%s", config_paths[0], DEFAULT_CONF_FILE); } } } /* read settings table from the database to further establish environment */ read_config_options(); /* set the poller interval for those who use less than 5 minute intervals */ if (set.poller_interval == 0) { poller_interval = 300; }else { poller_interval = set.poller_interval; } /* calculate the external_tread_sleep value */ internal_thread_sleep = EXTERNAL_THREAD_SLEEP * set.num_parent_processes / 2; if (set.log_level == POLLER_VERBOSITY_DEBUG) { CACTID_LOG_DEBUG(("CACTID: Version %s starting\n", VERSION)); }else{ printf("CACTID: Version %s starting\n", VERSION); } /* connect to database */ db_connect(set.dbdb, &mysql); /* initialize SNMP */ CACTID_LOG_DEBUG(("CACTID: Initializing Net-SNMP API\n")); snmp_cactid_init(); /* initialize PHP if required */ CACTID_LOG_DEBUG(("CACTID: Initializing PHP Script Server\n")); /* tell cactid that it is parent, and set the poller id */ set.parent_fork = CACTID_PARENT; set.poller_id = 0; /* initialize the script server */ if (set.php_required) { php_init(PHP_INIT); set.php_initialized = TRUE; set.php_current_server = 0; } /* obtain the list of hosts to poll */ { char querybuf[256], *qp = querybuf; qp += sprintf(qp, "SELECT id FROM host"); qp += sprintf(qp, " WHERE disabled=''"); qp += append_hostrange(qp, "id"); /* AND id BETWEEN a AND b */ qp += sprintf(qp, " ORDER BY id"); result = db_query(&mysql, querybuf); } num_rows = mysql_num_rows(result) + 1; /* add 1 for host = 0 */ if (!(threads = (pthread_t *)malloc(num_rows * sizeof(pthread_t)))) { die("ERROR: Fatal malloc error: cactid.c threads!\n"); } if (!(ids = (int *)malloc(num_rows * sizeof(int)))) { die("ERROR: Fatal malloc error: cactid.c host id's!\n"); } /* initialize threads and mutexes */ pthread_attr_init(&attr); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); init_mutexes(); CACTID_LOG_DEBUG(("DEBUG: Initial Value of Active Threads is %i\n", active_threads)); /* tell fork processes that they are now active */ set.parent_fork = CACTID_FORK; /* loop through devices until done */ while ((device_counter < num_rows) && (canexit == 0)) { mutex_status = thread_mutex_trylock(LOCK_THREAD); switch (mutex_status) { case 0: if (last_active_threads != active_threads) { last_active_threads = active_threads; } while ((active_threads < set.threads) && (device_counter < num_rows)) { if (device_counter > 0) { mysql_row = mysql_fetch_row(result); host_id = atoi(mysql_row[0]); ids[device_counter] = host_id; }else{ ids[device_counter] = 0; } /* create child process */ thread_status = pthread_create(&threads[device_counter], &attr, child, &ids[device_counter]); switch (thread_status) { case 0: CACTID_LOG_DEBUG(("DEBUG: Valid Thread to be Created\n")); device_counter++; active_threads++; CACTID_LOG_DEBUG(("DEBUG: The Value of Active Threads is %i\n", active_threads)); break; case EAGAIN: CACTID_LOG(("ERROR: The System Lacked the Resources to Create a Thread\n")); break; case EFAULT: CACTID_LOG(("ERROR: The Thread or Attribute Was Invalid\n")); break; case EINVAL: CACTID_LOG(("ERROR: The Thread Attribute is Not Initialized\n")); break; default: CACTID_LOG(("ERROR: Unknown Thread Creation Error\n")); break; } usleep(internal_thread_sleep); /* get current time and exit program if time limit exceeded */ if (poller_counter >= 20) { current_time = get_time_as_double(); if ((current_time - begin_time + 6) > poller_interval) { CACTID_LOG(("ERROR: Cactid Timed Out While Processing Hosts Internal\n")); canexit = 1; break; } poller_counter = 0; }else{ poller_counter++; } } thread_mutex_unlock(LOCK_THREAD); break; case EDEADLK: CACTID_LOG(("ERROR: Deadlock Occured\n")); break; case EBUSY: break; case EINVAL: CACTID_LOG(("ERROR: Attempt to Unlock an Uninitialized Mutex\n")); break; case EFAULT: CACTID_LOG(("ERROR: Attempt to Unlock an Invalid Mutex\n")); break; default: CACTID_LOG(("ERROR: Unknown Mutex Lock Error Code Returned\n")); break; } usleep(internal_thread_sleep); /* get current time and exit program if time limit exceeded */ if (poller_counter >= 20) { current_time = get_time_as_double(); if ((current_time - begin_time + 6) > poller_interval) { CACTID_LOG(("ERROR: Cactid Timed Out While Processing Hosts Internal\n")); canexit = 1; break; } poller_counter = 0; }else{ poller_counter++; } } /* wait for all threads to complete */ while (canexit == 0) { if (thread_mutex_trylock(LOCK_THREAD) == 0) { if (last_active_threads != active_threads) { last_active_threads = active_threads; } if (active_threads == 0) { canexit = 1; } thread_mutex_unlock(LOCK_THREAD); } usleep(EXTERNAL_THREAD_SLEEP); /* get current time and exit program if time limit exceeded */ if (poller_counter >= 20) { current_time = get_time_as_double(); if ((current_time - begin_time + 6) > poller_interval) { CACTID_LOG(("ERROR: Cactid Timed Out While Processing Hosts Internal\n")); canexit = 1; break; } poller_counter = 0; }else{ poller_counter++; } } /* tell Cactid that it is now parent */ set.parent_fork = CACTID_PARENT; /* print out stats */ gettimeofday(&now, NULL); /* update the db for |data_time| on graphs */ db_insert(&mysql, "replace into settings (name,value) values ('date',NOW())"); db_insert(&mysql, "insert into poller_time (poller_id, start_time, end_time) values (0, NOW(), NOW())"); /* cleanup and exit program */ pthread_attr_destroy(&attr); CACTID_LOG_DEBUG(("DEBUG: Thread Cleanup Complete\n")); /* close the php script server */ if (set.php_required) { php_close(PHP_INIT); } CACTID_LOG_DEBUG(("DEBUG: PHP Script Server Pipes Closed\n")); /* free malloc'd variables */ free(threads); free(ids); free(conf_file); CACTID_LOG_DEBUG(("DEBUG: Allocated Variable Memory Freed\n")); /* shutdown SNMP */ snmp_cactid_close(); CACTID_LOG_DEBUG(("CACTID: Net-SNMP API Shutdown Completed\n")); /* close mysql */ mysql_free_result(result); mysql_close(&mysql); CACTID_LOG_DEBUG(("DEBUG: MYSQL Free & Close Completed\n")); /* finally add some statistics to the log and exit */ end_time = TIMEVAL_TO_DOUBLE(now); CACTID_LOG_MEDIUM(("Time: %.4f s, Threads: %i, Hosts: %i\n", (end_time - begin_time), set.threads, num_rows)); exit(EXIT_SUCCESS); }